Halo Infinite[5][6][Note 1] is the upcoming sequel to Halo 5: Guardians and the third part of the Reclaimer Saga. It is being developed by 343 Industries, and will release on both Xbox One and PC platforms.[1] As of September 25, 2015, planning had already begun on the game, and its story was in production, with the writing process having already commenced in some capacity.[7]Halo Infinite will have a story that is “much more human” than Halo 5: Guardians',[8] and will “double down” on Master Chief, giving him more focus than he received in the previous game.[9]

Halo Infinite will likely feature the cooperative play system of Halo 5: Guardians.[8] Furthermore, it will support splitscreen[10] and it will also have a beta prior to its release.[11] There will be no Battle Royale mode featured according to Jeff Easterling's claim “The only BR we're interested in is the Battle Rifle”, in response to the popular trend during a livestream.[12]Halo Infinite was not present at E32017, and at the time, Jeff Easterling stated in a Halo Waypoint blog post that its reveal “won't be soon”,[13] implying a longer than usual development cycle for a main Halo game.

Halo Infinite is built on an entirely new engine, titled the Slipspace Engine.[14] The game will also receive a beta.[15]Infinite will not feature loot boxes that can be purchased with real money.[16]